38940773 has 2 divisors, whose sum is σ = 38940774. Its totient is φ = 38940772.

The previous prime is 38940739. The next prime is 38940799. The reversal of 38940773 is 37704983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37724164 + 1216609 = 6142^2 + 1103^2 .

It is a cyclic number.

It is not a de Polignac number, because 38940773 - 2¹⁰ = 38939749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38940773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38940673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19470386 + 19470387.

It is an arithmetic number, because the mean of its divisors is an integer number (19470387).

Almost surely, 2^38940773 is an apocalyptic number.

It is an amenable number.

38940773 is a deficient number, since it is larger than the sum of its proper divisors (1).

38940773 is an equidigital number, since it uses as much as digits as its factorization.

38940773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 38940773 is about 6240.2542416155. The cubic root of 38940773 is about 338.9493895667.

The spelling of 38940773 in words is "thirty-eight million, nine hundred forty thousand, seven hundred seventy-three".